1778480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 80

約数和(自身を含む): 4713984

約数和(自身を除く): 2935504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 47, 55, 80, 86, 88, 94, 110, 172, 176, 188, 215, 220, 235, 344, 376, 430, 440, 470, 473, 517, 688, 752, 860, 880, 940, 946, 1034, 1720, 1880, 1892, 2021, 2068, 2365, 2585, 3440, 3760, 3784, 4042, 4136, 4730, 5170, 7568, 8084, 8272, 9460, 10105, 10340, 16168, 18920, 20210, 20680, 22231, 32336, 37840, 40420, 41360, 44462, 80840, 88924, 111155, 161680, 177848, 222310, 355696, 444620, 889240, 1778480]

約数ペア:

[(1, 1778480), (2, 889240), (4, 444620), (5, 355696), (8, 222310), (10, 177848), (11, 161680), (16, 111155), (20, 88924), (22, 80840), (40, 44462), (43, 41360), (44, 40420), (47, 37840), (55, 32336), (80, 22231), (86, 20680), (88, 20210), (94, 18920), (110, 16168), (172, 10340), (176, 10105), (188, 9460), (215, 8272), (220, 8084), (235, 7568), (344, 5170), (376, 4730), (430, 4136), (440, 4042), (470, 3784), (473, 3760), (517, 3440), (688, 2585), (752, 2365), (860, 2068), (880, 2021), (940, 1892), (946, 1880), (1034, 1720)]